Across North America, investor-owned utilities (IOUs), publicly-owned utilities (POUs), and other load-serving entities are issuing unprecedented requests for proposals or offers (RFPs or RFOs) for advanced energy storage projects. Recent significant developments regarding the energy storage procurement policy established by the California Public Utilities Commission (CPUC) for California’s three largest IOUs, currently the largest procurement initiative in North America, have been summarized by Latham attorneys here and elsewhere.